printf "%-5s %-10s %-4s\n" No Name Mark
printf "%-5s %-10s %-4.2f\n" 1 zhuang 80.3456
printf "%-5s %-10s %-4.2f\n" 2 lin 90.9989
printf "%-5s %-10s %-4.2f\n" 10 zhang 70.2234


No    Name       Mark
1     zhuang     80.35
2     lin        91.00
10    zhang      70.22